1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
declare module 'mongoose' {
  import stream = require('stream');
  type CursorFlag = 'tailable' | 'oplogReplay' | 'noCursorTimeout' | 'awaitData' | 'partial';
  interface EachAsyncOptions {    parallel?: number;    batchSize?: number;    continueOnError?: boolean;  }
  class Cursor<DocType = any, Options = never> extends stream.Readable {    [Symbol.asyncIterator](): AsyncIterableIterator<DocType>;
    /**     * Adds a [cursor flag](https://mongodb.github.io/node-mongodb-native/4.9/classes/FindCursor.html#addCursorFlag).     * Useful for setting the `noCursorTimeout` and `tailable` flags.     */    addCursorFlag(flag: CursorFlag, value: boolean): this;
    /**     * Marks this cursor as closed. Will stop streaming and subsequent calls to     * `next()` will error.     */    close(callback: CallbackWithoutResult): void;    close(): Promise<void>;
    /**     * Execute `fn` for every document(s) in the cursor. If batchSize is provided     * `fn` will be executed for each batch of documents. If `fn` returns a promise,     * will wait for the promise to resolve before iterating on to the next one.     * Returns a promise that resolves when done.     */    eachAsync(fn: (doc: DocType[]) => any, options: EachAsyncOptions & { batchSize: number }, callback: CallbackWithoutResult): void;    eachAsync(fn: (doc: DocType) => any, options: EachAsyncOptions, callback: CallbackWithoutResult): void;    eachAsync(fn: (doc: DocType[]) => any, options: EachAsyncOptions & { batchSize: number }): Promise<void>;    eachAsync(fn: (doc: DocType) => any, options?: EachAsyncOptions): Promise<void>;
    /**     * Registers a transform function which subsequently maps documents retrieved     * via the streams interface or `.next()`     */    map<ResultType>(fn: (res: DocType) => ResultType): Cursor<ResultType, Options>;
    /**     * Get the next document from this cursor. Will return `null` when there are     * no documents left.     */    next(callback: Callback<DocType | null>): void;    next(): Promise<DocType>;
    options: Options;  }}